$(document).ready(function(){
    function dealAjaxBack(data) {
        var params={};
        var defaultColumns=[];
        var fields = [];
        fields.push({field:'ck',checkbox:true});
        data = stringToArray(data);
        $.each(data, function (index, value) {
            fields.push({field:value,title:value,width:fillsize(1/data.length)});
        });
        defaultColumns.push(fields);
        params.columns =defaultColumns;
        initGrid(params);
    };
    callDealAjaxBack(dealAjaxBack,obj[myKey]+'/getFields.do');
});